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1,951 applications support engineer interview questions shared by candidates

Math: - what is invertible matrix - what is the rank of a matrix. Calculate the rank: [1 1 0; 1 2 1; 0 1 1] - how to calculate eigenvalues. Calculate the eigenvalues: [3 -1; 1 5] - what's the difference between finite integral and infinite integral - lim sin x/x when x->0. How to calculate. Control Theory: - difference between open/close loop control - solve the transfer function of the equation: y''+4y'+20y=u - what is the criterion of an LTI system to be stable in the continuous time domain? Why? - what is the criterion of an LTI system to be stable in the discrete time domain? - for a second order system, what is rise time and settling time - tf=4/(s^2+4s+4) Calculate the natural frequency and damping ratio - PID controller. If P changes, what will change. If I want to improve the steady state output error, what need to be changed. - Bode Plot - Gain Margin - State Space Formulation - Describe controllability C language: - How to find a number even/odd? - null pointer - rename the data type. Like int a, then rename 'int' - int *p; *p=5; Is the code above correct? what will happen when compiling. - difference between struct/ union - dynamic memory allocation, malloc - what data types can be returned - inline function - recursive exit condition - difference between pass by value/ reference - find repeat element of an array - difference between continue/break MATLAB: - what is % - what is @ - how to concatenate two strings - how to change the title of a plot - what is startup.m - how to clear variable in the workspace
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Applications Support Engineer

Interviewed at MathWorks

4.3★
Apr 4, 2014

Math: - what is invertible matrix - what is the rank of a matrix. Calculate the rank: [1 1 0; 1 2 1; 0 1 1] - how to calculate eigenvalues. Calculate the eigenvalues: [3 -1; 1 5] - what's the difference between finite integral and infinite integral - lim sin x/x when x->0. How to calculate. Control Theory: - difference between open/close loop control - solve the transfer function of the equation: y''+4y'+20y=u - what is the criterion of an LTI system to be stable in the continuous time domain? Why? - what is the criterion of an LTI system to be stable in the discrete time domain? - for a second order system, what is rise time and settling time - tf=4/(s^2+4s+4) Calculate the natural frequency and damping ratio - PID controller. If P changes, what will change. If I want to improve the steady state output error, what need to be changed. - Bode Plot - Gain Margin - State Space Formulation - Describe controllability C language: - How to find a number even/odd? - null pointer - rename the data type. Like int a, then rename 'int' - int *p; *p=5; Is the code above correct? what will happen when compiling. - difference between struct/ union - dynamic memory allocation, malloc - what data types can be returned - inline function - recursive exit condition - difference between pass by value/ reference - find repeat element of an array - difference between continue/break MATLAB: - what is % - what is @ - how to concatenate two strings - how to change the title of a plot - what is startup.m - how to clear variable in the workspace

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